Package | Description |
---|---|
org.apache.datasketches.tuple |
The tuple package contains implementation of sketches based on the idea of
theta sketches with the addition of values associated with unique keys.
|
org.apache.datasketches.tuple.adouble | |
org.apache.datasketches.tuple.aninteger | |
org.apache.datasketches.tuple.strings |
Modifier and Type | Class and Description |
---|---|
class |
AnotB<S extends Summary>
Computes a set difference, A-AND-NOT-B, of two generic tuple sketches.
|
class |
CompactSketch<S extends Summary>
CompactSketches are never created directly.
|
class |
Filter<T extends Summary>
|
class |
Intersection<S extends Summary>
Computes an intersection of two or more generic tuple sketches.
|
class |
Sketch<S extends Summary>
This is an equivalent to org.apache.datasketches.theta.Sketch with
addition of a user-defined Summary object associated with every unique entry
in the sketch.
|
class |
SketchIterator<S extends Summary>
Iterator over a generic tuple sketch
|
interface |
SummaryDeserializer<S extends Summary>
Interface for deserializing user-defined Summary
|
interface |
SummaryFactory<S extends Summary>
Interface for user-defined SummaryFactory
|
interface |
SummarySetOperations<S extends Summary>
This is to provide methods of producing unions and intersections of two Summary objects.
|
class |
Union<S extends Summary>
Compute a union of two or more tuple sketches.
|
Modifier and Type | Interface and Description |
---|---|
interface |
UpdatableSummary<U>
Interface for updating user-defined Summary
|
Modifier and Type | Method and Description |
---|---|
static <S extends Summary> |
AnotB.aNotB(Sketch<S> skA,
Sketch skB)
Returns the A-and-not-B set operation on a Tuple sketch and a Theta sketch.
|
static <S extends Summary> |
AnotB.aNotB(Sketch<S> skA,
Sketch<S> skB)
Returns the A-and-not-B set operation on the two given Tuple sketches.
|
static <S extends Summary> |
Sketches.createEmptySketch() |
static <S extends Summary> |
Sketches.heapifySketch(org.apache.datasketches.memory.Memory mem,
SummaryDeserializer<S> deserializer)
Instantiate Sketch from a given Memory
|
Modifier and Type | Method and Description |
---|---|
Summary |
Summary.copy()
Deep copy.
|
Modifier and Type | Class and Description |
---|---|
class |
DoubleSummary
Summary for generic tuple sketches of type Double.
|
Modifier and Type | Class and Description |
---|---|
class |
IntegerSummary
Summary for generic tuple sketches of type Integer.
|
Modifier and Type | Class and Description |
---|---|
class |
ArrayOfStringsSummary |
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